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142475022 = 2327915279
BaseRepresentation
bin10000111110111…
…11111100001110
3100221002110222200
420133133330032
5242433200042
622045422330
73350006034
oct1037377416
9327073880
10142475022
1173472658
123b86a9a6
1323695a61
1414cca554
15c794c4c
hex87dff0e

142475022 has 12 divisors (see below), whose sum is σ = 308695920. Its totient is φ = 47491668.

The previous prime is 142475017. The next prime is 142475023. The reversal of 142475022 is 220574241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142475023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3957622 + ... + 3957657.

It is an arithmetic number, because the mean of its divisors is an integer number (25724660).

Almost surely, 2142475022 is an apocalyptic number.

142475022 is an abundant number, since it is smaller than the sum of its proper divisors (166220898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142475022 is a wasteful number, since it uses less digits than its factorization.

142475022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7915287 (or 7915284 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 142475022 is about 11936.2901271710. The cubic root of 142475022 is about 522.2914433635.

The spelling of 142475022 in words is "one hundred forty-two million, four hundred seventy-five thousand, twenty-two".

Divisors: 1 2 3 6 9 18 7915279 15830558 23745837 47491674 71237511 142475022